struct date {
    int year;
    int month;
    int day;
};
main()
{
    struct date today,term;//lekai
    int yearday,year,day;
    printf("Enter year/month/day:");
    scanf("%d%d%d",&today.year,&today.month,&today,day);
    term.month=12;
    term.day=31;
    for(yearday=0,year=1990;year<today.year;year++){
        term.year=year;
        yearday+=days(term);
    }
    yearday+=days(today);
    day+yearday%5;
    if(day>0&&day<4)printf("He was fishing at that day.\n");
    else printf("He was sleeping at that day.\n");
}
days(day)
struct date day;
{
    static int day_tab[2][13]={{0,31,28,31,30,31,30,31,31,30,31,30,31,},{0,31,29,31,30,31,30,31,31,30,31,30,31,},};
    int i,lp;
    lp=day.year%4==0&&day.year%100!=0||day.year%400==0;
    for(i=1;i<day.month;i++)
    day.day+=day_tab[lp][i];
    return(day.day);
}